μPC1099 internal equivalent circuit

Published:2011/7/11 2:34:00 Author:chopper | Keyword: internal, equivalent circuit | From:SeekIC

Figure shows the μPC1099 internal equivalent circuit.It consists of the reference power PWM comparator,oscillator,output pole,on/off control,over-voltage and over-current atresia part and the error amplifier.Reference power is to offer the circuits in chip the stable 5V voltage,moreover,external components will be set the maximum duty ratio,and it should be used in a feedback circuit with optical coupler.It is very important in practical application.



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